203122202111213 has 64 divisors (see below), whose sum is σ = 266501557002240. Its totient is φ = 150203572646400.

The previous prime is 203122202111111. The next prime is 203122202111249. The reversal of 203122202111213 is 312111202221302.

It is not a de Polignac number, because 203122202111213 - 2⁸ = 203122202110957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122202311213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 446333378 + ... + 446788236.

It is an arithmetic number, because the mean of its divisors is an integer number (4164086828160).

Almost surely, 2^{203122202111213} is an apocalyptic number.

It is an amenable number.

203122202111213 is a deficient number, since it is larger than the sum of its proper divisors (63379354891027).

203122202111213 is a wasteful number, since it uses less digits than its factorization.

203122202111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458778.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 203122202111213 its reverse (312111202221302), we get a palindrome (515233404332515).

The spelling of 203122202111213 in words is "two hundred three trillion, one hundred twenty-two billion, two hundred two million, one hundred eleven thousand, two hundred thirteen".